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@athiththan11
Last active December 25, 2019 11:59
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Custom APIMTokenIssuer Implementation: Append Custom Value to the Generated Access Token
package com.sample.token;
import org.apache.oltu.oauth2.common.exception.OAuthSystemException;
import org.wso2.carbon.apimgt.api.APIManagementException;
import org.wso2.carbon.apimgt.api.model.Application;
import org.wso2.carbon.apimgt.impl.APIConstants;
import org.wso2.carbon.apimgt.impl.utils.APIUtil;
import org.wso2.carbon.apimgt.keymgt.issuers.APIMTokenIssuer;
import org.wso2.carbon.identity.oauth2.token.OAuthTokenReqMessageContext;
import org.wso2.carbon.identity.oauth2.model.RequestParameter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class MyAPIMTokenIssuer extends APIMTokenIssuer {
private static final Log log = LogFactory.getLog(MyAPIMTokenIssuer.class);
@Override
public String accessToken(OAuthTokenReqMessageContext tokReqMsgCtx) throws OAuthSystemException {
// generate access token using super method
String accessToken = super.accessToken(tokReqMsgCtx);
String clientId = tokReqMsgCtx.getOauth2AccessTokenReqDTO().getClientId();
Application application;
try {
application = APIUtil.getApplicationByClientId(clientId);
String tokenType = application.getTokenType();
// only acceptable for opaque access tokens and not JWT tokens
if (!APIConstants.JWT.equals(tokenType)) {
// retrieve all request parameters sent to the token request
RequestParameter[] reqParams = tokReqMsgCtx.getOauth2AccessTokenReqDTO().getRequestParameters();
for (int i = 0; i < reqParams.length; i++) {
// check for devhash parameter from the request parameters and append it to the
// access token
if ("devhash".equals(reqParams[i].getKey())) {
accessToken += reqParams[i].getValue()[0];
break;
}
}
}
} catch (APIManagementException e) {
log.error("Exception occured in my piece of code ", e);
}
return accessToken;
}
}
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.sample.token</groupId>
<artifactId>custom-token-issuer</artifactId>
<version>1.0.0</version>
<!-- change the packaging to bundle (from jar) to support OSGi -->
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.wso2.carbon.apimgt</groupId>
<artifactId>org.wso2.carbon.apimgt.keymgt</artifactId>
<version>6.5.222</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>wso2-nexus</id>
<url>http://maven.wso2.org/nexus/content/groups/wso2-public/</url>
<releases>
<enabled>true</enabled>
<updatePolicy>daily</updatePolicy>
<checksumPolicy>ignore</checksumPolicy>
</releases>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>wso2-nexus</id>
<url>http://maven.wso2.org/nexus/content/groups/wso2-public/</url>
<releases>
<enabled>true</enabled>
<updatePolicy>daily</updatePolicy>
<checksumPolicy>ignore</checksumPolicy>
</releases>
</pluginRepository>
</pluginRepositories>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<!-- build plugin for OSGi Bundle support -->
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<version>2.3.4</version>
<extensions>true</extensions>
<configuration>
<instructions>
<Bundle-SymbolicName>com.sample.token</Bundle-SymbolicName>
<Bundle-Name>com.sample.token</Bundle-Name>
<Export-Package>
com.sample.token.*,
</Export-Package>
<Import-Package>
*; resolution:=optional
</Import-Package>
</instructions>
</configuration>
</plugin>
</plugins>
</build>
</project>
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